<li>
            <label for="cat_id"><?php echo $this->lang->line('label.category_promotion.cat_id') ?></label>
            <div class="input"><?php
          $ref_obj = $this->cat_model->get($obj["cat_id"]);
          if($ref_obj){ ?>
             <a href="<?php echo site_url('admin/'."cat/show/".$obj["cat_id"])?>">
            <?php echo $this->cat_model->to_string($ref_obj) ?></a><?php } ?></div>
          </li><li>
            <label for="promotion_id"><?php echo $this->lang->line('label.category_promotion.promotion_id') ?></label>
            <div class="input"><?php
          $ref_obj = $this->promotion_model->get($obj["promotion_id"]);
          if($ref_obj){ ?>
             <a href="<?php echo site_url('admin/'."promotion/show/".$obj["promotion_id"])?>">
            <?php echo $this->promotion_model->to_string($ref_obj) ?></a><?php } ?></div>
          </li><li>
            <label for="date_create"><?php echo $this->lang->line('label.category_promotion.date_create') ?></label>
            <div class="input"><?php echo $obj["date_create"] ?></div>
          </li>